Synergistic Ti/F Co-doping for Enhanced Electrochemical Performance of LiNi0.5Mn1.5O4 Cathodes via Ti3+/Ti4+ Redox and Structural Stabilization

Shengrui Cui; Chengliang Lin; Fangfang Dong; Mingxu Duan; Mengqiu Li; Abdul Majid; Ayaulym Belgibayeva; Yongcheng Jin

doi:10.1039/d6ta02127a

January 1, 2026Journal of Materials Chemistry A

Synergistic Ti/F Co-doping for Enhanced Electrochemical Performance of LiNi0.5Mn1.5O4 Cathodes via Ti3+/Ti4+ Redox and Structural Stabilization

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Key Points

This research aims to enhance the electrochemical performance of LiNi0.5Mn1.5O4 cathodes through Ti/F co-doping.
Investigated the effects of Ti3+/Ti4+ redox on electrochemical stability.
Analyzed structural changes in co-doped cathodes through various testing methods.
Compared performance metrics against traditional LiNi0.5Mn1.5O4 configurations.
Ti/F co-doped cathodes exhibited a significant increase in overall capacity retention at high voltages; specific values not provided.
Enhanced structural integrity was observed, contributing positively to overall cycle performance.
Results indicated improved energy density and efficiency in comparison to standard LiNi0.5Mn1.5O4.

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Implication

Shows improved electrochemical performance in lithium-ion battery cathodes, indicating better energy storage capabilities.

Abstract

As a promising high-voltage cathode material candidate for next-generation high-energy-density lithium-ion batteries (LIBs), spinel-type LiNi0.5Mn1.5O4 (LNMO) has attracted significant attention due to its high operating voltage (~4.7 V). However, its...

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Cui et al. (2026) studied this question.

synapsesocial.com/papers/6a3630cadb0793dc1a537d4d https://doi.org/10.1039/d6ta02127a

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Synergistic Ti/F Co-doping for Enhanced Electrochemical Performance of LiNi0.5Mn1.5O4 Cathodes via Ti3+/Ti4+ Redox and Structural Stabilization

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Synergistic Ti/F Co-doping for Enhanced Electrochemical Performance of LiNi0.5Mn1.5O4 Cathodes via Ti3+/Ti4+ Redox and Structural Stabilization

Key Points

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Implication

Abstract

Discussion

Cite This Study

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